Re: Why length(to_char(1::integer, '9')) = 2 ?

[Dmitriy Igrishin <dmitigr@xxxxxxxxx>]

2011/3/9 Pavel Stehule <pavel.stehule@xxxxxxxxx>

2011/3/9 Dmitriy Igrishin <dmitigr@xxxxxxxxx>:
>
>
> 2011/3/9 Pavel Stehule <pavel.stehule@xxxxxxxxx>
>>
>> 2011/3/9 Dmitriy Igrishin <dmitigr@xxxxxxxxx>:
>> > Hey all,
>> >
>> > dmitigr=> select to_char(1, '9');
>> > Âto_char
>> > ---------
>> > Â 1
>> >
>> > dmitigr=> select length(to_char(1, '9'));
>> > Âlength
>> > --------
>> > ÂÂÂÂÂ 2
>> >
>> > Why to_char() includes preceding blank space in the result ?
>>
>> it is compatibility with Oracle?
>
> Do you mean the case of MI ?
> So, is this leading space reserved for a sign of number by default ?

yes

pavel=# select '>' || to_char(-1,'9') || '<';
Â?column?
ââââââââââ
Â>-1<
(1 row)

Aha! Thanks.

regards

Pavel

>>
>> Regards
>>
>> Pavel
>>
>> >
>> > --
>> > // Dmitriy.
>> >
>> >
>> >
>
>
>
> --
> // Dmitriy.
>
>
>

-- 
// Dmitriy.